Method of and means for feeding sheet material



July 16, 1935. A. woRMsER 2,003,165

' rmnon OF AND MEANS FOR FEEDING sumsw MATERIAL Filed March 14. 1935fizz/977W: @Wza/ War/Wear;

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Patented July 16, 19 35 '4 I UNITED STA'lES PATENT orrien METHOD OF ANDMEANS FOR FEEDING SHEET MATERIAL Arthur Worm ser, Offenbach, nearFrankfort-om the-Main, Germany Application March-1d, 1935, Serial No.11,021 In Germany (October 19, 1932 5 Claims. (Cl. 271-58) The inventionrelates to a method of and means previously overlapped the front end ofthe sheet for feeding sheet material to a printing or other 2, has nowpassed beyond the front gauges machine, and the new feature is that theside At this moment the front gauges d liberate aligning gauge is timedso as to engage and align the perfectly aligned sheet 2, as shown inFig. 4,

5 each sheet at the moment when the back end of so that it is taken overby the machine. The 6 the overlapping top sheet has just passed saidsheets I, 3 etc. have continued their motion for= mark. ward.

One great advantage of this arrangement is The front gauges 4 now riseagain, in order to that the usual side aligning gauge which has stop andalign the following sheet 3, while the 10 answered all requirements ofpractice can be back end of the sheet 2 overlaps'the front gauges itused. 4 and the sheet 3, as shown in Fig. l for the previ= On theaccompanying drawing my invention is one sheet. The cycle of Operationis then re illustrated by way of example, peated.

Fig. 1 being a side elevation of the feed table 11; is not absolutelynecessary for the sheet 3 15 w g t e relative P on Of the s eets at aand the following sheets to be advanced under moment when the 1 Sheet ispassing to the the sheet 2 in a scale-like formation, although P loncylinder 0 other device, ut s not this arrangement has advantages inpractice. ehtllely p sed the Side gauge, The claims cover thearrangement in which that asim lar vat n t 1 sh win the part of thesheet which lies between the side 8t! position of the sheets after thetop sheet has left aligning gauge nd the front gauges is overlapped 2cthe side gau e, and the second s e t is bein by the back end of theprevious sheet during the aligned Sideways, time, or a part of the time,in which the ali a sim ar view, at the momen when t e ment of said sheettakes place. It is immaterial third Sheet has j ached t e S de gauge,and in'what way this overlapping is obtained.

Fig. l,asimilar view, after the second sheet has t d of a ide-pull gaugeany other id ham released from the from gauges d a aligning gauge can beused. For the invention it commenced its movement towards the impressionis only essential that the commencement of the cylinder, 01 otherdevice, to wh it has 130 he side-aligning, the back end of the previoussheet 1 has just passed the side gauge. Further, provi- In 1 e S t 5 ithe 1702) Sheet Which has sion will be made for the following sheet onlyto been previously aligned a d i being taken v reach the side gauge whenthe side alignment of. y he machine. The back end of this sheet i therevious sheet has been eifected. Although overlaps the Sheet 2 w c has jreached the therefore the sheet 2 during the side alignment, frontgauges l. This second sheet 2 overlaps the or, at least, during a partof this operation, at m underlying sheet 3 which slowly advances tothepart in front of the side gauge 5,115 overlapped gether with he foll winsheets in h me by the sheet I, and although it lies partiy on spacedrelation. The normal side gauge 5 is open, underlying sheets,nevertheless all operations are so that, Sheet 2 can be n d a t the socontrolled that during the side alignment it-= from; uges i, and theback end of the sheet l, self only theproper part of the sheet 2 will be49 can pass freely. engaged by the side gauge.

According to Fig. 2 the overlapping topsheet 6 What I claim and desireto secure by Letters has advanced so far towards the machine that Patentof the United States is: the side gauge 5 can close and effect theside 1. A method of registering sheets, consisting alignment of thesheet 2. Meanwhile the sheet 3 in advancing a continuous bank ofseriated sheets and the following sheets have advanced, but the towardsregistering means, front registering the 45 overlapping relation and thefeeding speed are so top sheet of said bank, holding said sheet againstchosen that the front edge of the sheet 3 does further forward movement,side registering said not reach the side gauge 5 before the sidealignsheet, front registering the succeeding underlay= ment of the sheet2 is finished. ing sheet, removing said top sheet, and side reg= 50 Fig.3 shows the moment when the side alignistering said underlaying sheetwhile still partly 555 ment of the sheet 2 is just completed. The sidecovered by said top sheet. gauge 5 has opened again. The sheet 3 and ther 2. A method of registering sheets, consisting following sheets haveadvanced so far that the in advancing a continuous bank of seriatedsheets front end of the sheet 3 has reached the side towards registeringmeans, front registering the gauge 5. The back end of the sheet I whichtop sheet of said bank, holding said sheet against further forwardmovement, side registering said sheet, front registering the succeedingunderlaying sheet, removing said top sheet, and side registering saidunderlaying sheet while still partly covered by said top sheet, andimmediately after the rear edge of the latter sheet has passed the sideregistering means.

3. A method of registering sheets, consisting in advancing a continuousbank of seriated sheets towards registering means, front registering thetop sheet of said, bank, holding said sheet against further forwardmovement, side registering said sheet, front registering the succeedingunderlaying sheet, removing said top sheet, and side registering saidunderlaying sheet while still partly covered by said top sheet, andimmediately after the rear edge of the latter sheet has passed the sideregistering means.

4. A method of registering sheets, consisting in advancing a continuousbank of seriated sheets towards registering means, front registering thetop sheet of said bank, holding said sheet against further forwardmovement, side registering said sheet, front registering the succeedingunderlaying sheet, removing said top sheet, side registering saidunderlaying sheet while still partly covered by said top sheet, andimmediately after the rear edge of the latter sheet has passed the sideregistering means, and completing the side raistering of saidunderlaying sheet before its underlaying sheet reaches said sideregistering means.

5. A method of registering sheets, consisting in advancing a continuousbank of seriated sheets towards registering means, front registering thetop sheet of said bank, holding said sheet against ered by said topsheet, and immediately after the rear edge of the latter sheet haspassed the side registering means, and completing the side reg-'istering of said underlaying sheet before its succeeding underlayingsheet reaches said side registering means.

ARTHUR WORMSER.

